FNUS75 KCYS 100438
FWSCYS

SPOT FORECAST FOR GUERNSEY...STATE FORESTRY
NATIONAL WEATHER SERVICE CHEYENNE WY
1038 PM MDT SAT JUN 9 2012

FORECAST IS BASED ON REQUEST TIME OF 2222 MDT ON JUNE 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

.DISCUSSION...

CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE OVER THE FIRE SITE
FOR MUCH OF THE TIME THROUGH EARLY SUNDAY EVENING. THE COLD FRONT
MOVED ACROSS THE FIRE ABOUT 9 PM...WITH A WIND SHIFT TO STRONG
NORTHWEST BEHIND THE FRONT. THE WINDS WILL DECREASE SOME AFTER 1
AM AND THEN INCREASE AGAIN BY MID MORNING. TEMPERATURES WILL BE
COOLER BEHIND THE FRONT THROUGH SUNDAY NIGHT...BUT MINIMUM
RELATIVE HUMIDITY VALUES WILL STILL BE AROUND ONLY 15 PERCENT ON
SUNDAY. A POOR HUMIDITY RECOVERY IS EXPECTED FOR TONIGHT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). A FEW SHOWERS
                    IN THE AREA AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........56 PERCENT.
WIND (20 FT)........NORTHWEST 20 TO 25 MPH WITH GUSTS TO 45 MPH.
                    WINDS DIMINISHING 20 20 TO 35 MPH BY 1 AM.                 17 MPH AFTER MIDNIGH
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6500 FT AGL DECREASING TO 1900 FT AGL LATE.                  MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 30 MPH.
SMOKE DISPERSAL.....FAIR (41400 KNOT-FT TO 24300 KNOT-FT).

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 20 TO 30 MPH BY MID MORNING WITH
                    GUSTS TO 45 MPH. WINDS BECOMING MORE WEST IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6000 FT AGL INCREASING TO 10000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 30 MPH.
SMOKE DISPERSAL.....EXCELLENT BY MID MORNING (267800 KNOT-FT).

$$
FORECASTER...WEILAND
REQUESTED BY...MATT QUINLAN
TYPE OF REQUEST...WILDFIRE
.TAG 20120609.GUERN.01/CYS